.x-popMenu {
  display: none;
}
.x-popMenu .x-popMenu-overlay {
  opacity: 0.5;
  filter: alpha(opacity=50);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 999;
  background-color: #CCC;
  display: block;
}
.x-popMenu .x-popMenu-content {
  position: fixed;
  z-index: 1000;
  top: 50%;
  left: 50%;
  margin-bottom: 30px;
  display: block;
}
